How to create a Managed Object in Core Data

Assuming you’re using an app template that includes Core Data, you will have access to the Managed Object Context. In the simplest form, and without custom Entity classes setup, you can use key/value coding to set your object’s properties. In fact, the Master/Detail template does this.

Here’s an example for an Entity named Event with two properties (myKey and anotherKey):

The KVC method will always work, regardless if you have custom classes or not. Custom Classes have the advantage that you can add custom behaviour (i.e. methods), and of course code completion in Xcode.

Note that these snippets will create an object, but your values are only stored once you save the Managed Object Context: